Savage Shooters FAQ said:All Long Actions = 5.062" (1958 to present, staggered and center-feed magazines)
1st. Gen Short Actions = 4.522" (1959 to 1987, staggered feed magazine)
2nd Gen Short Actions = 4.275" (1998 to 2007, staggered feed magazine)
3rd Gen Short Actions = 4.400" (2005 and up, center-feed magazine, not in photo)
3rd Gen Palma/Dual-Port = 3.440" (2009 and up, single-shot only)
Axis/Edge = 4.800" (2008-present; spacing same for long or short action cartridges)]
Savage puts both long and short actions under the 110 model name now.